Throughout their long history the craft traditions of the Islamic world evolved a multitude of styles applied to a great variety of media but always with unifying factors that make them instantly recognizable. Harmony is central. There are two key aspects to the visual structure of Islamic designcalligraphy using Arabic script and abstract ornamentation using a varied but remarkably integrated visual language. Focusing on Islamic geometric patterns, simple and complex, man-made and in nature, this book offers unique insight into Islamic culture.